3 ms·
1. If you want the machine to switch to stronger / more preferred networks when available it needs to know about them somehow. 2. The radio in most (all?) WiFi
by hedgehog 4y ago
1. If you want the machine to switch to stronger / more preferred networks when available it needs to know about them somehow.
2. The radio in most (all?) WiFi radios can only tune to one channel at a time, scanning all channels requires retuning to each one, which takes a little time.